Best data annotation tools in 2025

Alegion

Data annotation solution for AI projects with global reach.

CVAT – Computer Vision Annotation Tool

Data annotation software for efficient labeling of images and videos.

Unitlab AI

Streamlined data labeling for computer vision tasks.

BasicAI Cloud

Data annotation for diverse business needs and projects.

Kili Technology

Reliable data preparation for AI projects.

Appen

Data solutions that enhance advanced AI model performance.

Ango Hub

Automated data workflow solution for efficient AI training.

CloudFactory

Intelligent AI data management for effective model deployment.

md.ai

Streamlined medical imaging annotation and reporting for radiologists.

Datature

Streamlined management for AI vision projects without coding.

Explosion AI

Streamlined tools for building AI and NLP applications.

T5

Transforms various language tasks into a unified text format.

Apple Natural Language

Framework for managing and analyzing natural language text.

Megatron LM

Advanced framework for training large transformer models efficiently.

Flair NLP

A framework for advanced natural language processing tasks.

Word2vec

Transforms words into numerical values for analysis.

SBERT

Transforms sentences into numerical representations for analysis.

Datasaur

Data labeling and private LLM development made efficient.

Google BERT

Advanced language processing model for understanding text.

Kashgari

Create accurate text classification models with minimal expertise.

Strawberry ai

Advanced AI model for complex reasoning and problem-solving tasks.

ElectroNeek RPA

AI-driven automation for streamlining business workflows.

Lunit

AI-driven cancer detection and treatment prediction technology.

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Cloudinary AI

Automated media customization and delivery for creative teams.

UpTrain

Evaluate and enhance language models with streamlined workflows.